Updated to better manage remote ldap

tasks/ldap.yml

diff --git a/tasks/ldap.yml b/tasks/ldap.yml
index d8988fc..b411959 100644
--- a/tasks/ldap.yml
+++ b/tasks/ldap.yml
@@ -12,8 +12,9 @@
       value: "{{ hostvars[groups['dc-1-ldap'][0]][interface_name].ipv4.address }}"
 
   - name: Set ldap remote flag
-    cache: use_opdk_ldap_remote_host
-    value: 'y'
+    cache:
+      key: use_opdk_ldap_remote_host
+      value: 'y'
   when: groups['dc-1'] is defined and groups['dc-1-ldap'] is defined and inventory_hostname in groups['dc-1'] and hostvars[groups['dc-1-ms'][0]][interface_name].ipv4.address is defined
 
 - name: Normalized name for ldap ip if on dc-2
@@ -29,8 +30,9 @@
       value: "{{ hostvars[groups['dc-2-ldap'][0]][interface_name].ipv4.address }}"
 
   - name: Set ldap remote flag
-    cache: use_opdk_ldap_remote_host
-    value: 'y'
+    cache:
+      key: use_opdk_ldap_remote_host
+      value: 'y'
   when: groups['dc-2'] is defined and groups['dc-2-ldap'] is defined and inventory_hostname in groups['dc-2'] and hostvars[groups['dc-1-ms'][0]][interface_name].ipv4.address is defined
 
 - name: Normalized name for management server local ip to dc-1 if current node is not on dc-1 or dc-2